Table 1 Clinical characteristics of the study population
From: Colour of sputum is a marker for bacterial colonisation in chronic obstructive pulmonary disease
Data | Frequency |
|---|---|
Subjects, no. | 119 |
Sex, men, no. (%) | 112 (92.5) |
Age, years, mean (SD) | 68.1 (9.1) |
Current smokers, no. (%) | 11 (9.2) |
Smoking, pack-years, mean (SD) | 40 (21.1) |
Cardiovascular morbidity, no. (%) | 36 (29.7) |
Exacerbations in the previous year, mean (SD) | 1.3 (0.5) |
Requiring hospital admission | 0.3 (0.5) |
Post-bronchodilator spirometry, mean (SD) | |
FVC, mL | 2790 (942) |
FVC, % | 68.9 (19.2) |
FEV1, mL | 1406 (493) |
FEV1, % | 46.4 (14.1) |